Base for a baby walker



FIG. 1 is a perspective view of a base for a baby walker showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is rear elevational view thereof;

FIG. 4 is a left elevational view thereof; the right side being a mirror image;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a base for a baby walker, as shown and described. 